ZIP Code 31561: Sea Island, GA
County: Glynn
Coordinates: 31.19890, -81.33220
ZIP Type: Standard
Time Zone: Eastern Time (ET)
Get a reliable snapshot of the Sea Island, GA postal area 31561. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Sea Island |
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| ZIP Code | 31561 |
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| County | Glynn |
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| State | GA |
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| Latitude / Longitude | 31.19890, -81.33220 |
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| ZIP Type | Standard |
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| Time Zone | Eastern Time (ET) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 31561 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 31561 is approximately 31.19890 (latitude) and -81.33220 (longitude). This location sits within Glynn, contributing to regional planning across GA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 31561 for mail delivery and general location reference in
Glynn,
GA.
Some addresses near Sea Island may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Sea Island within GA.
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Frequently Asked Questions
What is the primary city for ZIP code 31561?
The primary city for this ZIP code is Sea Island, located in GA.
In which county is 31561 located?
ZIP code 31561 is situated within Glynn, GA.
What are the coordinates for 31561?
The approximate center point is 31.19890 (Latitude) and -81.33220 (Longitude).
Is ZIP code 31561 active?
This page lists ZIP 31561 as Listed based on the latest refresh date shown above.
Does ZIP 31561 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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Methodology & Data Notes
How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.
Page updated: 2026-01-08